/*
 * Copyright (c) 2013   Tobias Welther
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package de.tudarmstadt.kom.androidsensorapi.sensor.listener.magneticfield;

import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.test.AndroidTestCase;

import de.tudarmstadt.kom.androidsensorapi.sensor.listener.FakeSensorEventBuilder;

/**
 * Created by Tobias Welther
 */
public class MagneticFieldSensorTest extends AndroidTestCase{

    private SensorEvent correctUpdateEvent;
    private SensorEvent wrongUpdateEvent;

    private MagneticFieldSensor sut;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        sut = new MagneticFieldSensor();
        correctUpdateEvent = new FakeSensorEventBuilder()
                .setAccuracy(42)
                .setValues(new float[]{42.1337f, 13f, 52f})
                .setSensorType(Sensor.TYPE_MAGNETIC_FIELD)
                .build();

        wrongUpdateEvent = new FakeSensorEventBuilder()
                .setAccuracy(42)
                .setValues(new float[]{42.1337f, 13f, 52f})
                .setSensorType(Sensor.TYPE_ACCELEROMETER)
                .build();
    }

    public void testUpdate() throws Exception {
        assertNull(sut.getLastData());
        sut.onSensorChanged(correctUpdateEvent);

        assertEquals(sut.getLastData().getFieldStrengthX(), correctUpdateEvent.values[0], 0.002);
        assertEquals(sut.getLastData().getFieldStrengthY(), correctUpdateEvent.values[1], 0.002);
        assertEquals(sut.getLastData().getFieldStrengthZ(), correctUpdateEvent.values[2], 0.002);


        //No change after wrong update
        sut.onSensorChanged(wrongUpdateEvent);

        assertEquals(sut.getLastData().getFieldStrengthX(), correctUpdateEvent.values[0], 0.002);
        assertEquals(sut.getLastData().getFieldStrengthY(), correctUpdateEvent.values[1], 0.002);
        assertEquals(sut.getLastData().getFieldStrengthZ(), correctUpdateEvent.values[2], 0.002);
    }


}
